The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- 2D animation (245 members)
- 3D animation (21 members)
- ASK POPPY Characters (10 members)
- ASK POPPY images (2 members)
- Abandoned Project (1 member)
- Accessories (4 members)
- Administrators (0 members)
- Albums (9 members)
- Altered Copyrighted File (16 members)
- Animals (6 members)
- Antagonists (16 members)
- Apps (2 members)
- Art Books (3 members)
- Article Stubs (255 members)
- Article management templates (7 members)
- Articles with unofficial names (0 members)
- Artists (40 members)
- Attractions (5 members)
- Author (2 members)
- Bands (6 members)
- Bergen Voice Actors (13 members)
- Bergen galleries (12 members)
- Bergens (16 members)
- Bergens Story Arc Episodes (5 members)
- Blog posts (110 members)
- Books (100 members)
- Bounty Hunters (7 members)
- Brands (0 members)
- Browse (23 members)
- Building Blocks (2 members)
- Bureaucrats (0 members)
- Candidates for deletion (1 member)
- Category templates (1 member)
- Character's costumes (35 members)
- Character Galleries (134 members)
- Character Histories (77 members)
- Characters (220 members)
- Children (10 members)
- Citation needed (0 members)
- Citation templates (2 members)
- Classic Trolls (5 members)
- Classical Trolls (6 members)
- Classical Trolls Story Arc Episodes (12 members)
- Clouds (5 members)
- Co-Producer (1 member)
- Comics (5 members)
- Community (3 members)
- Companies (1 member)
- Complete Gallery (64 members)
- Composers (15 members)